Do a more thorough check that install dir matches the package source dir after installing the update
Do a more thorough check that install dir matches the package source dir after installing the update

Compare the package source dir and the post-update install dir recursively and check:

 * There are no unexpected files in the install dir

 * All files in the packaging dir were installed with the correct permissions and content

MD-18896
Reviewed-by: Carles Pina

zhengw1985/Update-Installer,zhengw1985/Update-Installer,zhengw1985/Update-Installer